# brain vs Mark

The clearest difference is in-app purchases: brain at none against Mark's 1. brain also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Mark sells 1 in-app purchase, starting at $4.99 per month. brain asks for nothing beyond the download.

## The numbers

| Metric | brain | Mark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mark-1-workout-journal/id6808754739/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 117 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Leo Ikeda](https://appshunter.io/developer/6773049875) | [Mark-1 Performance LLC](https://appshunter.io/developer/6808754741) |

## What reviewers say

### brain

[App page](https://appshunter.io/ios/app/brain-detox/id6773049873)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Mark

[App page](https://appshunter.io/ios/app/mark-1-workout-journal/id6808754739)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mark-1 Premium | $4.99 | per month |


## Frequently asked questions

### Is brain free?

brain is free to download, with no in-app purchases.

### Is Mark free?

Mark is free to download, with in-app purchases available.

### Do brain or Mark have ads?

Neither brain nor Mark shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*